41 struct uart_port;
50 	unsigned int	(*tx_empty)(struct uart_port *);
51 	void		(*set_mctrl)(struct uart_port *, unsigned int mctrl);
52 	unsigned int	(*get_mctrl)(struct uart_port *);
53 	void		(*stop_tx)(struct uart_port *);
54 	void		(*start_tx)(struct uart_port *);
55 	void		(*throttle)(struct uart_port *);
56 	void		(*unthrottle)(struct uart_port *);
57 	void		(*send_xchar)(struct uart_port *, char ch);
58 	void		(*stop_rx)(struct uart_port *);
59 	void		(*enable_ms)(struct uart_port *);
60 	void		(*break_ctl)(struct uart_port *, int ctl);
61 	int		(*startup)(struct uart_port *);
62 	void		(*shutdown)(struct uart_port *);
63 	void		(*flush_buffer)(struct uart_port *);
64 	void		(*set_termios)(struct uart_port *, struct ktermios *new,
66 	void		(*set_ldisc)(struct uart_port *, struct ktermios *);
67 	void		(*pm)(struct uart_port *, unsigned int state,
73 	const char	*(*type)(struct uart_port *);
79 	void		(*release_port)(struct uart_port *);
85 	int		(*request_port)(struct uart_port *);
86 	void		(*config_port)(struct uart_port *, int);
87 	int		(*verify_port)(struct uart_port *, struct serial_struct *);
88 	int		(*ioctl)(struct uart_port *, unsigned int, unsigned long);
90 	int		(*poll_init)(struct uart_port *);
91 	void		(*poll_put_char)(struct uart_port *, unsigned char);
92 	int		(*poll_get_char)(struct uart_port *);
117 struct uart_port {  struct
121 	unsigned int		(*serial_in)(struct uart_port *, int);  argument
122 	void			(*serial_out)(struct uart_port *, int, int);  argument
123 	void			(*set_termios)(struct uart_port *,  argument
126 	void			(*set_mctrl)(struct uart_port *, unsigned int);  argument
127 	int			(*startup)(struct uart_port *port);  argument
128 	void			(*shutdown)(struct uart_port *port);  argument
129 	void			(*throttle)(struct uart_port *port);  argument
130 	void			(*unthrottle)(struct uart_port *port);  argument
131 	int			(*handle_irq)(struct uart_port *);  argument
132 	void			(*pm)(struct uart_port *, unsigned int state,  argument
134 	void			(*handle_break)(struct uart_port *);  argument
135 	int			(*rs485_config)(struct uart_port *,  argument
252 static inline int serial_port_in(struct uart_port *up, int offset)  in serial_port_in()  argument
257 static inline void serial_port_out(struct uart_port *up, int offset, int value)  in serial_port_out()
283 	struct uart_port	*uart_port;  member
312 void uart_write_wakeup(struct uart_port *port);
317 void uart_update_timeout(struct uart_port *port, unsigned int cflag,
319 unsigned int uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
322 unsigned int uart_get_divisor(struct uart_port *port, unsigned int baud);
325 static inline int uart_poll_timeout(struct uart_port *port)  in uart_poll_timeout()
337 	struct uart_port port;
360 struct uart_port *uart_get_console(struct uart_port *ports, int nr,
366 int uart_set_options(struct uart_port *port, struct console *co, int baud,
369 void uart_console_write(struct uart_port *port, const char *s,
371 			void (*putchar)(struct uart_port *, int));
378 int uart_add_one_port(struct uart_driver *reg, struct uart_port *port);
379 int uart_remove_one_port(struct uart_driver *reg, struct uart_port *port);
380 int uart_match_port(struct uart_port *port1, struct uart_port *port2);
385 int uart_suspend_port(struct uart_driver *reg, struct uart_port *port);
386 int uart_resume_port(struct uart_driver *reg, struct uart_port *port);
397 static inline int uart_tx_stopped(struct uart_port *port)  in uart_tx_stopped()
405 static inline bool uart_cts_enabled(struct uart_port *uport)  in uart_cts_enabled()
410 static inline bool uart_softcts_mode(struct uart_port *uport)  in uart_softcts_mode()
421 extern void uart_handle_dcd_change(struct uart_port *uport,
423 extern void uart_handle_cts_change(struct uart_port *uport,
426 extern void uart_insert_char(struct uart_port *port, unsigned int status,
431 uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)  in uart_handle_sysrq_char()
450 static inline int uart_handle_break(struct uart_port *port)  in uart_handle_break()